Fifteen years ago, Junmyun, out of heartbreak, steals his child away from the house he could have grown up in. Junmyun still regrets having to leave behind the other twin, but there is just so much he can do to raise Sehun on his own. Now, fifteen years later, someone will have to pay the price.

In which prince Sehun sacrifices his soul, his life, his freedom, so that the people in his kingdom could have theirs.